Delete unused code in ConfigurationMethod

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationMethod.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,18 +51,9 @@ abstract class ConfigurationMethod {
 		return new Location(this.configurationClass.getResource(), this.metadata);
 	}
 
-	String getFullyQualifiedMethodName() {
-		return this.metadata.getDeclaringClassName() + "#" + this.metadata.getMethodName();
+	void validate(ProblemReporter problemReporter) {
 	}
 
-	static String getShortMethodName(String fullyQualifiedMethodName) {
-		return fullyQualifiedMethodName.substring(fullyQualifiedMethodName.indexOf('#') + 1);
-	}
-
-	public void validate(ProblemReporter problemReporter) {
-	}
-
-
 	@Override
 	public String toString() {
 		return String.format("[%s:name=%s,declaringClass=%s]",